Garmin Fenix 3 vs. Samsung Gear S vs. Garmin Vivosmart HR vs. Amazfit T-Rex vs. Apple Watch 7

 
Fenix 3
Gear S
Vivosmart HR
T-Rex
Watch 7
 GarminFenix 3Remove Buy NowSamsungGear SRemove Buy NowGarminVivosmart HRRemove Buy NowAmazfitT-RexRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$500$250$170$140$429
Release20152013201520192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration50 hours to 6 weeksn/a5 days20 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/a
Macn/an/an/a
Windowsn/an/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218480 x 360160 x 68360 x 360396 x 484
Size1.2 inches2 inches1.08 inches1.3 inches1.9 inches
Touch
TypeChroma LEDSuper AMOLEDn/aAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATMIP675 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenn/aBuild-inWatchOS 8
Apps
Music

All Wearables